28709065

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6779}}^1$

素因数の和:6813

約数の個数: 24

約数和(自身を含む): 43283520

約数和(自身を除く): 14574455

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 6779, 33895, 47453, 74569, 237265, 372845, 521983, 820259, 2609915, 4101295, 5741813, 28709065]

約数ペア:

[(1, 28709065), (5, 5741813), (7, 4101295), (11, 2609915), (35, 820259), (55, 521983), (77, 372845), (121, 237265), (385, 74569), (605, 47453), (847, 33895), (4235, 6779)]